Electrical properties of nitrogen-containing plasma polymer films

Yoshimich Ohki, Toshiki Nakano, Shunichi Koike

研究成果: Article査読

18 被引用数 (Scopus)

抄録

The electrical conductivity of plasma copolymerised films from allylamine and ethylene increases with an increase in the flow-rate of allylamine during the polymerisation, while the optical gap evaluated from optical absorption decreases. Deconvolution of infrared spectra showed that the ratio of sp2 to sp3 carbons is not related to the nitrogen content of the film. This fact shows that the conductivity increase is not due to the development of conjugated carbon double bonds. It is deduced that the increase in conductivity is mainly caused by two different effects of the introduced nitrogen, i.e. the reduction in optical gap and the increase in unpaired electrons, both arising from the interaction between nitrogen atoms and conjugated carbon double bonds.

本文言語English
ページ(範囲)711-718
ページ数8
ジャーナルJournal of Physics D: Applied Physics
23
6
DOI
出版ステータスPublished - 1990 6 14

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Acoustics and Ultrasonics
  • Surfaces, Coatings and Films

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